Gusobanukirwa akamaro ka Flat Washer mubwubatsi Isi yibikoresho byubaka no kubaka, buri gice gifite uruhare runini mugutanga urambye numutekano wimiterere. Kimwe muri ibyo bice, akenshi birengagizwa ariko iby'ingenzi, ni igorofa. Gusobanukirwa akamaro k'imbeba iringaniye mubwubatsi birashobora kugira ingaruka cyane kubwiza nuburebure bwa pro yawe